WO2013106885A1 - Améliorations apportées à une installation et procédés pour la prospection de fond de puits et système d'acquisition de données et pour une opération de forage - Google Patents

Améliorations apportées à une installation et procédés pour la prospection de fond de puits et système d'acquisition de données et pour une opération de forage Download PDF

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Publication number
WO2013106885A1
WO2013106885A1 PCT/AU2013/000029 AU2013000029W WO2013106885A1 WO 2013106885 A1 WO2013106885 A1 WO 2013106885A1 AU 2013000029 W AU2013000029 W AU 2013000029W WO 2013106885 A1 WO2013106885 A1 WO 2013106885A1
Authority
WO
WIPO (PCT)
Prior art keywords
survey
data
core orientation
adaptor
probe
Prior art date
Application number
PCT/AU2013/000029
Other languages
English (en)
Inventor
Brett James Wilkinson
Michael Alan Klass
Johan Anwar
Khaled Hejleh
Gordon Stewart
Original Assignee
Globaltech Corporation Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2012900171A external-priority patent/AU2012900171A0/en
Application filed by Globaltech Corporation Pty Ltd filed Critical Globaltech Corporation Pty Ltd
Priority to US14/372,183 priority Critical patent/US9739135B2/en
Priority to CA2893298A priority patent/CA2893298C/fr
Priority to BR112014017540A priority patent/BR112014017540A8/pt
Priority to AU2013210775A priority patent/AU2013210775A1/en
Priority to AP2014007872A priority patent/AP2014007872A0/xx
Publication of WO2013106885A1 publication Critical patent/WO2013106885A1/fr
Priority to ZA2014/06031A priority patent/ZA201406031B/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
    • E21B25/16—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors for obtaining oriented cores
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/024—Determining slope or direction of devices in the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling

Definitions

  • the present invention relates to equipment, system and methods for improved downhole surveying and data acquisition at a drill site, such as for obtaining a core orientation sample and handling data relating to the sample.
  • Drillers contracted by mining companies are required to drill numbers of exploratory subsurface drill holes at a chosen mine site to extract underground core samples in order to determine locations of mineralisation and the feasibility to proceed with mineral extraction.
  • Such operations extract a core during drilling (in 'diamond drill-bit drilling' the bit has a centre hole which allows the core sample to enter through during drilling).
  • Core lengths are variable, but usually between 3m and 6m lengths and are extracted progressively for the entire hole.
  • Each extracted core sample is marked for its orientation position before extraction, with additional survey data of that cores position such as azimuth (angle of North-South deviation), dip angle, depth the core was extracted from and other additional data to verify data correctness.
  • Financial costs associated with such operations are based on distance (metres) drilled, number of holes, sub-surface targets reached and number of targets concluded.
  • a core-orientation unit is attached to a 'back-end assembly', which is inserted into a drill hole during drilling and is brought to the surface when the core sample is extracted with the core orientation unit.
  • the core orientation unit needs to be removed (unscrewed) from the back-end assembly to begin the process of orienting the extracted core.
  • the core is removed after orientation marking, and then the core orientation unit is reinstalled to the back-end assembly before inserting into the drill hole for the next core sample extraction.
  • This process is time consuming and costly considering the high cost of the drill rig on-site and that this process is repeated every 3 or 6 metres of drilling. Drilling depths are usually between 500 metres and 2 km, with deeper drilling expected in the future.
  • a pair of core orientation units are used on two identical assemblies and alternated when drilling for core samples, however the operator still needs to go through the motion of removing and re-installing the core orientation unit for every sample retrieved.
  • the drilling company has the added advantage of extracting metrics from the recorded data that can provide a thorough analysis of drill-rig costs (labour and consumables), efficiencies, safety issues etc. This additional data is not always available due to insufficient data recording at the drill rigs because of inaccessibility of the data or time constraints when drilling towards underground targets within a limited time. Summary of current operational methods used for basic activities at drill-rig sites to orient core samples, measure survey data and record all activity at the drill rig site.
  • drill-rig operators use core orientation tools, survey probes and a number of manual pen and paper recording means to log drilling activity and events.
  • Core orientation and Survey tools are available from a number of different international suppliers and attempts have been made to electronically record/log rig activity using 'Tough-books' and other commercially available laptops and hand-held computers.
  • the problems experienced from present operating methods comes from having to manually record data from the variety down-hole instruments source from various 3 rd party suppliers, which may or may not have compatible formats, then transferring the data to the overall manual logging sheets or laptop as required for eventual recording and billing to customer.
  • a further inconvenience to the driller is the need to keep an inventory of third party core orientation/survey instruments, different manufacturer spare parts and related consumables such as batteries, long and cumbersome brass pressure barrels to protect survey instruments, sealing/waterproofing '0' rings and grease to install associated pressure barrel housings before using the survey probes.
  • the operator Apart from having to take stock of a large, and separately cased (if at all) collection of instruments with associated hardware and consumables, the operator has to gain familiarity with each instrument's method of operation and be able to manually record and integrate the various data formats and results into a common 'paper form' which can be later manually keyed in for geologist use or accounting purposes.
  • the present invention seeks to alleviate or overcome one or more of the aforementioned problems. [0025] With this in mind, it is desirable of one or more forms of the present invention to provide a system or method that utilises a reduced number of components compared with standard systems and which enables common communication between various components.
  • One or more preferred forms of the present invention advantageously reduces complex operational methods prevalent at most drill rig sites, such as cumbersome handling and operation, incompatible equipment data outputs, and keeping track of multiple activity and events while operating the drill rig according to specified targets in a given time/cost budget.
  • At least one embodiment of the present invention provides a system incorporating reduced instrumentation component physical size(s) with the aid of component/module miniaturisation. This reduction in physical size of components allows for thicker wall pressure housings that enable component use in deep hole exploration/drilling.
  • Adaptor attachments to each end of the core orientation instruments render the unit the capability to be used in all standard drill-hole sizes without having to stock different size instruments creating unnecessary duplication and additional space/weight.
  • the attachments are compatible to LTK60, NQ, PQ, HQ and HQ2 drill strings and other drill string sizes commonly used in the industry.
  • a controller or communication device preferably a hand held controller, (with additional optional pocket size slave controller) that is able to operate all of the instruments in the system as well as optionally record and log all events and activity occurring at the drill-rig site.
  • An easily attachable hand controller/communicator charging device e.g. mains power or charging from a vehicle battery
  • satellite modem communicator for instant transfer of site data and progress logging for analysis, multi-rig monitoring or accounting purposes.
  • the included common hand-held controller is able to directly record rig operating conditions by optionally retrofitting rig instrumentation with compatible wireless data interface modules. This enables fast and accurate rig status data acquisition, further automating progressive log of drilling activity.
  • the system and method of the present invention provides on-site multiple function data integration of simultaneous activity occurring at the rig site without the need for manual recording or calculations. Human error factors are reduced leading to increased work efficiency and safety.
  • An aspect of the present invention provides a survey system for obtaining data from a drilling operation, the system including at least one core orientation instrument for use in determining orientation of a core sample, at least one downhole survey probe for use in determining characteristics relating to a borehole created during a drilling operation, and a common single controller configured to control or communicate with both the at least one survey probe and the at least one core orientation instrument.
  • the controller may be arranged to capture survey data and core orientation data, and to transmit said survey and core orientation data in electronic form to a data capture means for later use.
  • the controller may include means to capture or receive progress log of drilling data.
  • the controller may be arranged to transmit said progress log of drilling data to the data capture means.
  • the system may further include at least one telescopic rod extension for direct or indirect connection to the survey probe or the core orientation instrument.
  • the telescopic rod extension may include at least one side wall incorporating or predominantly formed of composite material.
  • said adapter(s) may vary the effective diameter of the core orientation instrument or survey probe for attachment to drill string extension components having a respective connecting thread diameter greater than the diameter of a connecting thread of the core orientation instrument or survey probe.
  • a respective said adapter may be releasably attachable to the core orientation instrument or to the survey probe.
  • Multiple sizes, such as small medium and large (relative to one another) diameter adapters may be provided.
  • a large diameter one of the adapters may be arranged to connect to a smaller diameter said adapter, or said large diameter adapter is arranged to replace said smaller or medium (intermediate size) diameter adapter.
  • a survey system including multiple components may be arranged to be housed in a portable container for transport and deployment at a drilling site, the multiple components including a survey probe, a core orientation instrument and a single controller configured to control or communicate with the survey probe and core orientation instrument.
  • the system may further include a telescopic rod extension, thereby alleviating the need for multiple extension rods of fixed length.
  • a further aspect of the present invention provides a method of collecting survey data from a drilling operation, the method including: providing a survey system, the system including at least one survey probe, at least one core orientation instrument and a common single controller, collecting data in the controller from the survey probe and the core orientation instrument, and transmitting said collected data to a data capture means.
  • the method may include the controller communicating with at least one survey probe, core orientation instrument or drilling operation remote from the controller.
  • Another aspect of the present invention provides at least one adaptor for attachment to an end of a core orientation instrument or survey probe for use in a survey system, the adaptor including attachment means to releasably attach the adaptor, and thereby the core orientation instrument or survey probe, to at least one drill string component.
  • the core orientation instrument or survey probe can then be used in a variety of (standard) drill-hole sizes at or greater than the size of the instrument or probe without having to stock different size instruments creating unnecessary duplication and additional space/weight.
  • the adaptor(s) may be compatible to LTK60, NQ, PQ, HQ and HQ2 drill strings and other drill string sizes commonly used in the industry.
  • Preferably at least one said adaptor is provided for each of the two ends of a core orientation instrument or survey probe.
  • each end of the instrument or probe can be adapted to connect to a selected same size or larger size drill string component ahead of and behind the instrument or probe.
  • the at least one adaptor may be releasably attached to the instrument or probe, such as by one or more screw threads, retaining screws, bolts, clips or pins.
  • the adaptor may include a screw thread at one end thereof for releasable engagement with an corresponding screw threaded end of the instrument or probe, and another screw thread at the opposite end of the adaptor for engagement with a corresponding screw thread of another adaptor or a drill string component.
  • single or multiple adaptors may be used to convert the smaller diameter instrument or probe to larger diameter drill string components.
  • the adaptor may include at least one aperture through a side wall thereof, which allows light from an optical instrument to pass to or from the core orientation instrument or survey probe relative, or to allow lubrication fluid to flow through the adaptor, to or from an exterior.
  • a weld connection may be provided between the adaptor and the core orientation instrument, the survey probe or the at least one drill string component to prevent subsequent release of the adaptor.
  • a second controller may be provided. This may be in the form of a handheld device, optionally with reduced functionality compared with the common controller, such as a master controller and slave controller arrangement.
  • the second controller may be configured to communicate with the common controller.
  • a controller power pack may be provided to supply electrical power to the second controller, and optionally a communication dock enabling data communication between a portable memory device and the second controller when the second controller is docked therewith may be provided.
  • the dock may include a USB port for removable connection of a USB device, such as a memory stick or 'thumb drive'.
  • the common controller may be arranged and configured to capture survey data or core orientation data, and to transmit said survey or core orientation data in electronic form to a data capture means for later use.
  • the second controller may also be arranged and configured to capture survey data or core orientation data, and to transmit said survey or core orientation data in electronic form to a data capture means for later use.
  • the second controller may be arranged and configured to transmit data to the common controller for assimilation or use with other data in the common controller or for transmission to an external data capture device.
  • the common controller may include means to capture or receive progress log of drilling data.
  • the common controller may also be arranged and configured to transmit said progress log of drilling data to the data capture means.
  • Figure 1 shows currently used equipment in surveying at a drill site and capturing drilling data.
  • Figure 2 shows an embodiment of the present invention with reduced number of components compared with currently used systems and including improved data capture and component control through an electronic controller.
  • Figure 3 shows a core orientation instrument with adaptors according to an embodiment of the present invention.
  • Figures 4a and 4b show in cross section an adaptor for a core orientation instrument according to an embodiment of the present invention.
  • Figures 5a to 5c show alternative versions of an adaptor for a core orientation instrument according to an embodiment of the present invention.
  • Figure 6 shows a set of downhole survey system equipment in a storage means for protection and transport.
  • Figure 1 shows a comparison of currently required equipment to carry out surveying, core orientation using three sizes for varying drill hole diameters in deep hole drilling, and logging all events and activity at a drill-rig site.
  • the common system 10 and method for core extraction and orientation requires a process of dismantling at least two assembly sections to complete the orientation. As every 3m or 6m requires core orientation, a significant amount of time is spent during this process.
  • the equipment count (and weight) for core orientation equipment almost trebles (as seen in Figure 1 ). This occurs because a relatively wide borehole can first be drilled. As friction increases with depth, a narrower hole is needed, and then again a third much narrower drill.
  • three different diameters of core orientation instruments 18, 20, 22 are required to match the three different drill widths. This significantly increases the number of components required in a known system.
  • Matching extension barrels are also required to connect the core orientation instrument 18, 20, 22 to the drill string. Because there are three hole sizes, there are three matching extension barrels 24.
  • a core orientation instrument controller 28 is used to control and communicate with the core orientation instrument. This is in addition to a separate survey probe controller, typically because these instruments may come from different manufacturers or are supplied as stand alone sub systems.
  • the survey instrument/ probes 12 used in today's mining industry are of an average length of 1 m or more. They all require operation in a brass pressure barrel 14 which needs to be disassembled from one end (at least) to start the probe's operation and again to stop operation and extract data after removal from a drill-hole. It is inherent for all magnetic survey instruments that an average of 5m separation of its sensors from the drill bit and steel drill pipes is required before making a valid reading. This is achieved using multiple solid aluminium rod extensions 16.
  • a survey instrument controller 26 is used to control the survey instrument and obtain data from the instrument.
  • Replaceable adapters on the core orientation unit replace the various sizes of core orientation units in known systems. This is a significant saving in equipment costs and operational costs, as well as avoiding the need to transport the additional electronic equipment to and from sites.
  • the system 38 shown in Figure 2 uses a single size (smallest diameter size) core orientation unit 18 with multiple size adaptors 46, 48 to match with different stages of deep-hole drilling. This beneficially avoids the need for multiple size core orientation instruments used in the known systems.
  • Drill string extensions 50, 52, 54 are utilised. Only one section needs to be dismantled to remove the core sample as this core orientation unit has a unique facility to communicate internal data without the need to remove the unit from its back-end attachment.
  • a system of the present invention can utilise state-of-the-art SMT (Surface Mount Technology) or wire bonding miniaturisation to achieve a survey instrument probe 40 no longer than half a metre (500mm), be fully encased in its own brass pressure housing, will not need dismantling for the start/stop/extract data process, and achieves magnetic sensor separation using an SMT (Surface Mount Technology) or wire bonding miniaturisation to achieve a survey instrument probe 40 no longer than half a metre (500mm), be fully encased in its own brass pressure housing, will not need dismantling for the start/stop/extract data process, and achieves magnetic sensor separation using an
  • extendable/telescopic, preferably composite, material extension rod 42 The probe 40 is designed to operate in harsh environments, and with thicker wall pressure housing (due to internal electronic component miniaturisation), is easily adaptable for deep-hole drilling. [0077] Keeping a Progressive Log of Drilling
  • a system of the present invention integrates all functions of an electronic controller 56 with core orientation and survey instrumentation 40, 44, thereby only requiring a single controller rather than the multiple controllers of the known art.
  • the controller can provide seamless and instant electronic data capture and communication for the drilling companies, newly designed hardware and software functions will empower the driller to operate from a central singular (hand-held) controller, with full access and monitoring/validation of all instrument data, consumables, drilling target progressive achievement and full analysis of work progress at the mine site.
  • the single common controller for communicating with and controlling the core orientation instrument/unit and also the probe(s) avoids the need for multiple controllers. Furthermore, data capture by one controller allows different data sets to be compared or used to derive further data. For example magnetic field data from a probe can be combined with core orientation data to help determine subsurface geological features or potential sites for deposits.
  • Figure 3 shows a core orientation instrument 60 with a central body 62 for housing electronics, a first threaded end 76 and a second threaded end 78.
  • the first threaded end is arranged to receive an adaptor 64.
  • This adaptor has an external threaded portion 70 for connection to drill string component, such as a greaser unit (not shown).
  • This first adaptor 64 includes an internal thread 80 arranged to threadingly engage with the external first threaded end 76.
  • a circlip 68 is applied to retain the adaptor in place. The circlip engages into grooves 72 through the wall of the adaptor.
  • the circlip will engage against a shoulder of the end of the core orientation instrument.
  • the circlip must be removed before the adaptor can be unscrewed.
  • another external thread 78 is arranged to engage with an adaptor 66.
  • This adaptor has spaced apertures 74 to allow light to transmit data from the core orientation instrument to a light receiver or controller.
  • This adaptor can connect the core orientation instrument to a core barrel. It will be appreciated that the adaptors can be used with other survey tools, such as survey probes.
  • Figures 4a and 4b show an adaptor in cross section.
  • Figure 4a shows the adaptor before it is threaded onto the end of the core orientation instrument, and
  • Figure 4b shows the adaptor attached and the retaining circlip in place.
  • Figures 5a to 5c show alternative arrangements for releasably attaching the adaptor to the core orientation instrument.
  • Figure 5a shows a circlip type retainer
  • Figure 5b shows a multiple retaining screw (grub screw) alternative.
  • the retaining screws screw into threaded holes through the wall of the adaptor and bite into the wall of the core orientation instrument or engage into holes in the casing of the body.
  • a screw threaded locking collar or sleeve 84 threads onto an external thread 82 of the adaptor. Tightening the collar or sleeve clamps the adaptor to the core orientation instrument.
  • the external threads 70, 78 of the adaptors can be sized to suit the matching required size of the drill string components.
  • the end connections can be adapted by use of the adaptors to suit a required size of corresponding drill string
  • the second controller may be used to capture data for one surveying task, such as core orientation data, whilst the common controller (considered a master or primary controller) is used for data on a second task, such as handling a log of drilling or survey probe data. All data may be combined by data transmission into one of the controllers, preferably the common controller. Data transmission may be infra red or wireless communication directly from one controller to the next, or from on controller via a docking station to a memory device and thence into the second controller. Alternatively, data from both controllers may be transmitted to a remote device, such as a computer, for further processing.
  • a remote device such as a computer
  • the docking station may also act as a power charger for an on-board battery in one or both controllers.
  • adapter/transformer may be provided as part of the downhole survey system equipment to aid with power and charging of the controllers.
  • Data transmission equipment may also be provided, such as a Wifi or satellite communication enabled device to transmit data to a remote location or device.
  • Figure 6 shows components of a downhole survey system 100 according to an embodiment of the present invention.
  • the components are housed in a container for safe transport to and from a drill site and for secure storage. This prevents damage to the components and ensures all components in the system are accounted for by providing a particular storage position for each component.
  • the components in the embodiment are shown housed in a protective foam inlay 1 02 that sits inside the container (not shown).
  • the components include a downhole probe 104, and extension rod 106 (which may be of a preselected length or may be telescopic) to connect the probe to a drill string or other components.
  • One or more downhole instruments, such as core orientation units 108,1 10, can be included.
  • the system further includes the option to use adaptors 1 12,1 14,1 16, 1 18 etc, to connect one or more of the instruments and/or probes to a drill string.
  • the adaptors are provided according to one or more embodiments of the adaptor of the present invention.
  • One or more of the adaptors includes at least one aperture for entry/exit of light for communicating data to or from an instrument or probe.
  • the system further includes a hand held electronic common controller 120 to receive, transmit and store data relating to a drilling operation obtained by the probe or a core orientation unit.
  • the controller is termed a common controller because it operates with both the probe and at least one of the instruments.
  • Such a controller can communicate with the probe and one or more of the other instruments in the system to receive or send data or instructions to operate the probe or instrument(s) or report on drilling activities, such as a log of drilling.
  • the controller includes a display screen.
  • a second controller 121 is also provide stored underneath the common controller. This second controller can be a slave controller providing reduced functionality compared to the common controller. The second controller can be used to communicate with one of the probe or instrument while the common controller is used to communicate with another of the probe or instrument, or to report on drilling activities, such as a log of drilling.
  • a charging device 122 is also provided. This acts as a power source to charge an on-board respective battery for the common controller and/or second controller. The charging device may provide communication through wifi and/or satellite to a remote device or location.
  • a shock absorber device 124 is also provided to limit shocks through the probe and instrument(s) when in use downhole. Tools, such as spanners 1 26 are also provided, as well as a core orientation determining device 128.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Earth Drilling (AREA)

Abstract

Un adaptateur (64,66) possède des moyens de fixation pour fixer de façon amovible un instrument d'orientation de carotte (60) ou sonde de relevé à un composant de train de tiges et/ou train de tiges de forage, de préférence par un ou plusieurs filets de vis (70, 72, 76, 78) des vis de retenue, des boulons, des pinces ou des broches ou de soudage/brasage. Des moyens anti desserrage tel qu'un circlip, peuvent être utilisés pour empêcher la libération de l'adaptateur. Un système d'étude permettant d'obtenir des données à partir d'une opération de forage comprend un instrument d'orientation de carotte, une sonde de relevé de fond de puits et un seul dispositif de commande à distance/enregistreur de données configuré pour commander ou communiquer avec à la fois la sonde de relevé et l'instrument d'orientation de carotte. D'autre part, un système d'étude comprend de multiples composants disposés dans un récipient portatif pour le transport et le déploiement sur un site de forage notamment une sonde de relevé, un instrument d'orientation de carotte et un seul dispositif de commande configuré pour commander ou communiquer avec la sonde de relevé et l'instrument d'orientation de carotte.
PCT/AU2013/000029 2012-01-17 2013-01-17 Améliorations apportées à une installation et procédés pour la prospection de fond de puits et système d'acquisition de données et pour une opération de forage WO2013106885A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US14/372,183 US9739135B2 (en) 2012-01-17 2013-01-17 Equipment and methods for downhole surveying and data acquisition for a drilling operation
CA2893298A CA2893298C (fr) 2012-01-17 2013-01-17 Ameliorations apportees a une installation et procedes pour la prospection de fond de puits et systeme d'acquisition de donnees et pour une operation de forage
BR112014017540A BR112014017540A8 (pt) 2012-01-17 2013-01-17 melhorias para equipamentos e métodos para poços topografia e aquisição de dados de poço para uma operação de perfuração
AU2013210775A AU2013210775A1 (en) 2012-01-17 2013-01-17 Improvements to equipment and methods for downhole surveying and data acquisition for a drilling operation
AP2014007872A AP2014007872A0 (en) 2012-01-17 2013-01-17 Improvements to equipment and methods for downholesurveying and data acquisition for a drilling ope ration
ZA2014/06031A ZA201406031B (en) 2012-01-17 2014-08-15 Improvements to equipment and methods for downhole surveying and data acquisition for a drilling operation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2012900171A AU2012900171A0 (en) 2012-01-17 Improvements to equipment and methods for downhole surveying and data acquistion for a drilling operation
AU2012900171 2012-01-17

Publications (1)

Publication Number Publication Date
WO2013106885A1 true WO2013106885A1 (fr) 2013-07-25

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Country Status (8)

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US (1) US9739135B2 (fr)
AP (1) AP2014007872A0 (fr)
AU (3) AU2013210775A1 (fr)
BR (1) BR112014017540A8 (fr)
CA (2) CA2893298C (fr)
CL (2) CL2014001876A1 (fr)
WO (1) WO2013106885A1 (fr)
ZA (1) ZA201406031B (fr)

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CA2893298A1 (fr) 2013-07-25
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CA3055699C (fr) 2021-04-13
US20140375468A1 (en) 2014-12-25
AP2014007872A0 (en) 2014-08-31
AU2018202364B2 (en) 2019-08-22
CA3055699A1 (fr) 2013-07-25
BR112014017540A8 (pt) 2017-07-04
CA2893298C (fr) 2020-10-13
US9739135B2 (en) 2017-08-22
CL2014001876A1 (es) 2014-12-26
CL2017001215A1 (es) 2018-01-05
AU2013210775A1 (en) 2014-08-28
BR112014017540A2 (pt) 2017-06-13
AU2016213887A1 (en) 2016-09-01

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